Home / 32,837.91-45,316.36-18,690.75

Finding the Fourth Proportional to 32,837.91, 45,316.36 and 18,690.75

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Solution

The fourth proportional to 32,837.91, 45,316.36 and 18,690.75 is: 25,793.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,837.91 : 45,316.36 = 18,690.75 : x
  2. Step 2: Convert to fraction form
    32,837.91/45,316.36 = 18,690.75/x
  3. Step 3: Cross multiply
    32,837.91x = 45,316.36 × 18,690.75
  4. Step 4: Simplify right side
    32,837.91x = 846,996,779.03
  5. Step 5: Solve for x
    x = 846,996,779.03/32,837.91
  6. Step 6: Final answer
    x = 25,793.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.